diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 31a7305..e095d39 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -23,18 +23,20 @@
     window.already_fix_first_element = false;
     if (!window.has_topest_banner) {
       var first_element = $('.header-banner');
-      var parent_element = $()
+      var is_header = true;
       if(first_element.length == 0){
         first_element = $('.layout-content .layout-content-inner').eq(0);
+	is_header = false;
       }else{
         if(first_element.html() == ''){
           first_element = $('.layout-content .layout-content-inner').eq(0);
+	  is_header = false;
         }
       }
       if(first_element.length != 0){
         first_element.css("margin-top", "");
         var ele_offset = first_element[0].getBoundingClientRect().top + document.documentElement.scrollTop;
-        if(first_element.parents('.kenjohn.navFixed').length == 0)
+        if(!is_header)
           ele_offset -= window.top_barrier_height;
         if(ele_offset < 0){
           first_element.css("margin-top", -ele_offset + "px");